90450560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 230307840

約数和(自身を除く): 139857280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 97, 124, 128, 155, 160, 188, 194, 235, 248, 310, 320, 376, 388, 470, 485, 496, 620, 640, 752, 776, 940, 970, 992, 1240, 1457, 1504, 1552, 1880, 1940, 1984, 2480, 2914, 3007, 3008, 3104, 3760, 3880, 3968, 4559, 4960, 5828, 6014, 6016, 6208, 7285, 7520, 7760, 9118, 9920, 11656, 12028, 12416, 14570, 15035, 15040, 15520, 18236, 19840, 22795, 23312, 24056, 29140, 30070, 30080, 31040, 36472, 45590, 46624, 48112, 58280, 60140, 62080, 72944, 91180, 93248, 96224, 116560, 120280, 141329, 145888, 182360, 186496, 192448, 233120, 240560, 282658, 291776, 364720, 384896, 466240, 481120, 565316, 583552, 706645, 729440, 932480, 962240, 1130632, 1413290, 1458880, 1924480, 2261264, 2826580, 2917760, 4522528, 5653160, 9045056, 11306320, 18090112, 22612640, 45225280, 90450560]

約数ペア:

[(1, 90450560), (2, 45225280), (4, 22612640), (5, 18090112), (8, 11306320), (10, 9045056), (16, 5653160), (20, 4522528), (31, 2917760), (32, 2826580), (40, 2261264), (47, 1924480), (62, 1458880), (64, 1413290), (80, 1130632), (94, 962240), (97, 932480), (124, 729440), (128, 706645), (155, 583552), (160, 565316), (188, 481120), (194, 466240), (235, 384896), (248, 364720), (310, 291776), (320, 282658), (376, 240560), (388, 233120), (470, 192448), (485, 186496), (496, 182360), (620, 145888), (640, 141329), (752, 120280), (776, 116560), (940, 96224), (970, 93248), (992, 91180), (1240, 72944), (1457, 62080), (1504, 60140), (1552, 58280), (1880, 48112), (1940, 46624), (1984, 45590), (2480, 36472), (2914, 31040), (3007, 30080), (3008, 30070), (3104, 29140), (3760, 24056), (3880, 23312), (3968, 22795), (4559, 19840), (4960, 18236), (5828, 15520), (6014, 15040), (6016, 15035), (6208, 14570), (7285, 12416), (7520, 12028), (7760, 11656), (9118, 9920)]